*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;background:#f4f5f7;color:#222;font-size:15px;line-height:1.7}
a{color:#1a73e8;text-decoration:none}
a:hover{color:#f04142}
.tt-wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.tt-header{background:#fff;border-bottom:1px solid #ebebeb;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.tt-header-inner{max-width:1100px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.tt-logo{display:flex;align-items:center;gap:8px}
.tt-logo:hover{text-decoration:none}
.tt-logo-mark{width:32px;height:32px;background:#f04142;color:#fff;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800}
.tt-logo-text{font-size:18px;font-weight:700;color:#222}
.tt-search-bar{flex:1;max-width:480px;display:flex;height:38px;border:1px solid #e8e8e8;border-radius:4px;overflow:hidden;background:#f8f8f8}
.tt-search-ph{flex:1;display:flex;align-items:center;padding:0 14px;font-size:14px;color:#bbb}
.tt-search-go{width:96px;display:flex;align-items:center;justify-content:center;background:#f04142;color:#fff;font-size:14px;font-weight:600}
.tt-search-go:hover{background:#d9363e;text-decoration:none;color:#fff}
.tt-page{padding:16px 0 40px}
.tt-crumb{font-size:13px;color:#999;margin-bottom:14px}
.tt-crumb a{color:#666}
.tt-crumb span{margin:0 6px;color:#ddd}
.tt-layout{display:grid;grid-template-columns:1fr 280px;gap:20px;align-items:start}
.tt-main{background:#fff;border-radius:8px;border:1px solid #ebebeb;padding:24px 28px;min-width:0}
.tt-aside{display:flex;flex-direction:column;gap:12px}
.tt-title{font-size:28px;font-weight:700;color:#222;line-height:1.35;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #f0f0f0}
.tt-lead{display:flex;gap:12px;background:#fff8f8;border:1px solid #ffe0e0;border-radius:6px;padding:14px 16px;margin-bottom:20px}
.tt-lead-tag{flex-shrink:0;background:#f04142;color:#fff;font-size:12px;font-weight:700;padding:2px 8px;border-radius:3px;height:fit-content;line-height:1.6}
.tt-lead p{color:#444;font-size:15px;line-height:1.8}
.tt-toc{background:#fafafa;border:1px solid #eee;border-radius:6px;padding:14px 18px;margin-bottom:24px;max-width:360px}
.tt-toc-title{font-size:14px;font-weight:700;margin-bottom:8px;color:#333}
.tt-toc ol{padding-left:20px;font-size:14px;color:#555}
.tt-toc li{margin:4px 0}
.tt-toc a{color:#1a73e8}
.tt-section{margin-bottom:24px;padding-bottom:8px}
.tt-section-hd{font-size:18px;font-weight:700;color:#222;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid #f04142;display:inline-block}
.tt-text{color:#333;font-size:15px;line-height:1.85}
.tt-rich p{margin-bottom:.6em}
.tt-tip{font-size:13px;color:#999;margin-bottom:12px}
.tt-attr-row{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tt-attr-row li{display:flex;justify-content:space-between;padding:10px 12px;background:#fafafa;border-radius:4px;font-size:14px}
.tt-attr-row span{color:#999}
.tt-attr-row b{color:#333;font-weight:600}
.tt-tags{display:flex;flex-wrap:wrap;gap:8px}
.tt-tags a{display:inline-block;padding:5px 14px;background:#f5f5f5;border:1px solid #eee;border-radius:4px;font-size:14px;color:#333}
.tt-tags a:hover{background:#fff0f0;border-color:#ffc9c9;color:#f04142;text-decoration:none}
.tt-word-list{list-style:none;border:1px solid #f0f0f0;border-radius:6px;overflow:hidden}
.tt-word-list li{border-bottom:1px solid #f5f5f5}
.tt-word-list li:last-child{border-bottom:none}
.tt-word-list a{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;color:inherit}
.tt-word-list a:hover{background:#fff8f8;text-decoration:none}
.tt-w{font-weight:600;color:#222}
.tt-py{font-size:13px;color:#999}
.tt-updated{font-size:12px;color:#bbb;margin-top:20px;padding-top:12px;border-top:1px dashed #eee}
.tt-side-card{background:#fff;border:1px solid #ebebeb;border-radius:8px;overflow:hidden}
.tt-side-hd{background:#fafafa;padding:10px 14px;font-size:14px;font-weight:700;color:#333;border-bottom:1px solid #f0f0f0}
.tt-side-bd{padding:12px 14px;font-size:13px;color:#666;line-height:1.7}
.tt-side-char{font-size:48px;text-align:center;padding:16px 0 8px;font-weight:700;color:#f04142;border-bottom:1px solid #f0f0f0}
.tt-side-py{text-align:center;font-size:16px;color:#f04142;font-weight:600}
.tt-side-note{text-align:center;font-size:12px;color:#999;margin-top:4px}
.tt-side-kv{list-style:none}
.tt-side-kv li{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px dashed #f0f0f0;font-size:13px}
.tt-side-kv li:last-child{border-bottom:none}
.tt-side-kv span{color:#999}
.tt-side-kv b{color:#333;font-weight:600;text-align:right;max-width:60%}
.tt-side-links{list-style:none;padding:12px 14px}
.tt-side-links li{padding:6px 0;border-bottom:1px dashed #f0f0f0;font-size:13px}
.tt-side-links li:last-child{border-bottom:none}
.tt-friends{margin-top:20px;padding-top:14px;border-top:1px solid #f0f0f0;font-size:13px;color:#999}
.tt-friends b{color:#666;margin-right:12px}
.tt-friends a{margin-right:14px;color:#666}
.tt-footer{text-align:center;padding:20px 0;font-size:12px;color:#999;border-top:1px solid #ebebeb;margin-top:8px;background:#fff}
.tt-footer a{color:#999}
@media(max-width:860px){
.tt-layout{grid-template-columns:1fr}
.tt-title{font-size:22px}
.tt-attr-row{grid-template-columns:1fr}
.tt-search-bar{max-width:100%;width:100%}
}